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NH 66 Baler

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Tim

08-01-2000 07:42:55




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I have a NH66 baler and it has been working well up until recently. The right bale twine keeps breaking because the knot gets caught on the knotter. It looks as though the knotter is tying well but won't release the finished knot. The left side works fine. Does anyone have an idea what might be wrong and how I could fix it?

Thanks,
Tim




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Mongo

08-02-2000 13:38:54




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 Re: NH 66 Baler in reply to Tim, 08-01-2000 07:42:55  
For my second cutting I had the same problem and it turned out to be the tensioner to the bill hook jaws. Mine was rusted up pretty bad and I put a new square head bolt in it and re-adjusted it to match the other side for tension and it works like a charm. As you can see, there are many possibilities to your problem. I just thought I'd add in what was the problem for me. Good luck.



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SCOTT

08-01-2000 19:30:08




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 Re: NH 66 Baler in reply to Tim, 08-01-2000 07:42:55  
TIM,
THROUGH MUCH TRIAL AND ERROR I HAVE FOUND THAT THE PROBLEM YOU ARE EXPERIENCING IS PROBABLY CAUSED BY NORMAL WEAR. AS A PREVIOUS POST STATES THE WIPER ARM MUST ACTUALLY TOUCH OR RUB THE BILL HOOK. THIS "WIPES" THE KNOT OFF THE BILL HOOK. LOOSEN THE BOLT THAT HOLDS THE KNOTTER ASSEMBLY AND RAISE THE ASSEMBLY UP. NOTICE THE CLEARANCE BETWEEN THE WIPER ARM AND BILLHOOK. ALSO CHECK THE OTHER ONE. (THIS WILL GIVE YOU AN INDICATION OF CLEARANCE NEEDED) YOU ADJUST THE WIPER ARM BY "MODELING". HERE IN THE HILLS I WOULD SAY BENDING. I DO THIS BY USING AN ADUSTABLE WRENCH. THIS GIVES A LARGE SURFACE AREA TO HELP GIVE THE BEND NECESSARY. DO ONLY A LITTLE AT A TIME. MANUALS SAY IT SHOULD TAKE APPROXIMATELY 5-10 LBS. OF PRESSURE TO MOVE THE ARM ACROSS THE BILL HOOK. I HOPE THIS HELPS SOME.

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Duane

08-02-2000 11:23:43




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 Re: Re: NH 66 Baler in reply to SCOTT, 08-01-2000 19:30:08  
I found a groove worn in the cam lobe that activates the knife arm on my 66. (where the brass ball rides on the intermittent gear) I wasn't getting enough travel past the bill hook, supposed to be 3/8" to 1/2". had to have it built up with weld and ground smooth. If this is all foreign language to you, get the New Holland service manual SPECIFICLY about Knotters. It's not a baler with a knotter attached, It's a Knotter with a baler attached! We could talk for HOURS. What have you done for your wadboard drive chain latley?$$$ I'm into my 66 so deep that I can't turn back. Let us know how you fare.

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Burrhead

08-01-2000 13:50:24




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 Re: NH 66 Baler in reply to Tim, 08-01-2000 07:42:55  
If it's not just little burr in the billhook jaws or a a dull knife blade, it sounds like not enough clearance between the back of the bill hook and the front of the knife arm.

While you check that be sure to check the lips on the bill hook, that they are good and smooth, opens right and the swiper arm is going back to the home position. Take the twine out of the knotter and be sure the bill hook rotates freely.

When the knife arm lifts, the stripper arm has to ever so lightly touch the bill hook back.

Whatever is causing the problem it's either a dull blade, the swiper arm out of adjustment, or the bill hook is'nt rotating freely.

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2fordsmike

08-01-2000 18:59:18




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 Re: Re: NH 66 Baler in reply to Burrhead, 08-01-2000 13:50:24  
20 years ago I helped a friend make his MF twine tie baler tie properly. I went to an auto parts store and bought 2 ft. of emery cloth and polished and shined his knotter fingers. They had been rusty and once polished they worked perfectly. But Burrhead is more expert than I. Glad to know there is an old 66 out there baling hay. Mik



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